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03467c88 | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5cb5a6ff LP |
2 | |
3 | #ifndef fooexecutehfoo | |
4 | #define fooexecutehfoo | |
5 | ||
a7334b09 LP |
6 | /*** |
7 | This file is part of systemd. | |
8 | ||
9 | Copyright 2010 Lennart Poettering | |
10 | ||
11 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
12 | under the terms of the GNU Lesser General Public License as published by |
13 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
14 | (at your option) any later version. |
15 | ||
16 | systemd is distributed in the hope that it will be useful, but | |
17 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 19 | Lesser General Public License for more details. |
a7334b09 | 20 | |
5430f7f2 | 21 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
22 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
23 | ***/ | |
24 | ||
5cb5a6ff LP |
25 | typedef struct ExecStatus ExecStatus; |
26 | typedef struct ExecCommand ExecCommand; | |
27 | typedef struct ExecContext ExecContext; | |
28 | ||
dacdf153 | 29 | #include <linux/types.h> |
5cb5a6ff LP |
30 | #include <sys/time.h> |
31 | #include <sys/resource.h> | |
32 | #include <sys/capability.h> | |
33 | #include <stdbool.h> | |
34 | #include <stdio.h> | |
94f04347 | 35 | #include <sched.h> |
5cb5a6ff | 36 | |
8e274523 | 37 | struct CGroupBonding; |
ab1f0633 | 38 | struct CGroupAttribute; |
8e274523 | 39 | |
5cb5a6ff | 40 | #include "list.h" |
034c6ed7 | 41 | #include "util.h" |
5cb5a6ff | 42 | |
2e22afe9 LP |
43 | typedef enum KillMode { |
44 | KILL_CONTROL_GROUP = 0, | |
2e22afe9 LP |
45 | KILL_PROCESS, |
46 | KILL_NONE, | |
47 | _KILL_MODE_MAX, | |
48 | _KILL_MODE_INVALID = -1 | |
49 | } KillMode; | |
50 | ||
8a0867d6 LP |
51 | typedef enum KillWho { |
52 | KILL_MAIN, | |
53 | KILL_CONTROL, | |
54 | KILL_ALL, | |
55 | _KILL_WHO_MAX, | |
56 | _KILL_WHO_INVALID = -1 | |
57 | } KillWho; | |
58 | ||
80876c20 LP |
59 | typedef enum ExecInput { |
60 | EXEC_INPUT_NULL, | |
61 | EXEC_INPUT_TTY, | |
62 | EXEC_INPUT_TTY_FORCE, | |
63 | EXEC_INPUT_TTY_FAIL, | |
4f2d528d | 64 | EXEC_INPUT_SOCKET, |
80876c20 LP |
65 | _EXEC_INPUT_MAX, |
66 | _EXEC_INPUT_INVALID = -1 | |
67 | } ExecInput; | |
68 | ||
071830ff | 69 | typedef enum ExecOutput { |
80876c20 | 70 | EXEC_OUTPUT_INHERIT, |
94f04347 | 71 | EXEC_OUTPUT_NULL, |
80876c20 | 72 | EXEC_OUTPUT_TTY, |
94f04347 | 73 | EXEC_OUTPUT_SYSLOG, |
28dbc1e8 | 74 | EXEC_OUTPUT_SYSLOG_AND_CONSOLE, |
9a6bca7a | 75 | EXEC_OUTPUT_KMSG, |
28dbc1e8 | 76 | EXEC_OUTPUT_KMSG_AND_CONSOLE, |
706343f4 LP |
77 | EXEC_OUTPUT_JOURNAL, |
78 | EXEC_OUTPUT_JOURNAL_AND_CONSOLE, | |
4f2d528d | 79 | EXEC_OUTPUT_SOCKET, |
94f04347 LP |
80 | _EXEC_OUTPUT_MAX, |
81 | _EXEC_OUTPUT_INVALID = -1 | |
071830ff LP |
82 | } ExecOutput; |
83 | ||
5cb5a6ff | 84 | struct ExecStatus { |
63983207 LP |
85 | dual_timestamp start_timestamp; |
86 | dual_timestamp exit_timestamp; | |
9d58f1db | 87 | pid_t pid; |
9152c765 LP |
88 | int code; /* as in siginfo_t::si_code */ |
89 | int status; /* as in sigingo_t::si_status */ | |
5cb5a6ff LP |
90 | }; |
91 | ||
92 | struct ExecCommand { | |
93 | char *path; | |
94 | char **argv; | |
034c6ed7 LP |
95 | ExecStatus exec_status; |
96 | LIST_FIELDS(ExecCommand, command); /* useful for chaining commands */ | |
7fab9d01 | 97 | bool ignore; |
5cb5a6ff LP |
98 | }; |
99 | ||
100 | struct ExecContext { | |
101 | char **environment; | |
8c7be95e LP |
102 | char **environment_files; |
103 | ||
94f04347 | 104 | struct rlimit *rlimit[RLIMIT_NLIMITS]; |
9eba9da4 | 105 | char *working_directory, *root_directory; |
9d58f1db LP |
106 | |
107 | mode_t umask; | |
dd6c17b1 | 108 | int oom_score_adjust; |
5cb5a6ff | 109 | int nice; |
9eba9da4 | 110 | int ioprio; |
94f04347 LP |
111 | int cpu_sched_policy; |
112 | int cpu_sched_priority; | |
9d58f1db | 113 | |
82c121a4 LP |
114 | cpu_set_t *cpuset; |
115 | unsigned cpuset_ncpus; | |
fb33a393 | 116 | |
80876c20 LP |
117 | ExecInput std_input; |
118 | ExecOutput std_output; | |
119 | ExecOutput std_error; | |
120 | ||
7fab9d01 | 121 | unsigned long timer_slack_nsec; |
071830ff | 122 | |
df1f0afe LP |
123 | char *tcpwrap_name; |
124 | ||
9d58f1db | 125 | char *tty_path; |
5cb5a6ff | 126 | |
6ea832a2 LP |
127 | bool tty_reset; |
128 | bool tty_vhangup; | |
129 | bool tty_vt_disallocate; | |
130 | ||
353e12c2 LP |
131 | bool ignore_sigpipe; |
132 | ||
94f04347 | 133 | /* Since resolving these names might might involve socket |
5cb5a6ff | 134 | * connections and we don't want to deadlock ourselves these |
94f04347 LP |
135 | * names are resolved on execution only and in the child |
136 | * process. */ | |
5cb5a6ff LP |
137 | char *user; |
138 | char *group; | |
139 | char **supplementary_groups; | |
9d58f1db | 140 | |
5b6319dc LP |
141 | char *pam_name; |
142 | ||
169c1bda LP |
143 | char *utmp_id; |
144 | ||
15ae422b LP |
145 | char **read_write_dirs, **read_only_dirs, **inaccessible_dirs; |
146 | unsigned long mount_flags; | |
147 | ||
9d58f1db LP |
148 | uint64_t capability_bounding_set_drop; |
149 | ||
7fab9d01 LP |
150 | /* Not relevant for spawning processes, just for killing */ |
151 | KillMode kill_mode; | |
152 | int kill_signal; | |
ba035df2 | 153 | bool send_sigkill; |
7fab9d01 | 154 | |
9d58f1db LP |
155 | cap_t capabilities; |
156 | int secure_bits; | |
157 | ||
7fab9d01 LP |
158 | int syslog_priority; |
159 | char *syslog_identifier; | |
160 | bool syslog_level_prefix; | |
161 | ||
9d58f1db LP |
162 | bool cpu_sched_reset_on_fork; |
163 | bool non_blocking; | |
15ae422b | 164 | bool private_tmp; |
ff01d048 | 165 | bool private_network; |
9d58f1db | 166 | |
64747e2d | 167 | bool control_group_modify; |
891703e1 | 168 | int control_group_persistent; |
64747e2d | 169 | |
9d58f1db LP |
170 | /* This is not exposed to the user but available |
171 | * internally. We need it to make sure that whenever we spawn | |
172 | * /bin/mount it is run in the same process group as us so | |
173 | * that the autofs logic detects that it belongs to us and we | |
174 | * don't enter a trigger loop. */ | |
74922904 | 175 | bool same_pgrp; |
2e22afe9 | 176 | |
dd6c17b1 | 177 | bool oom_score_adjust_set:1; |
7fab9d01 LP |
178 | bool nice_set:1; |
179 | bool ioprio_set:1; | |
180 | bool cpu_sched_set:1; | |
181 | bool timer_slack_nsec_set:1; | |
5cb5a6ff LP |
182 | }; |
183 | ||
9fb86720 | 184 | int exec_spawn(ExecCommand *command, |
9e2f7c11 | 185 | char **argv, |
81a2b7ce | 186 | const ExecContext *context, |
c2748801 | 187 | int fds[], unsigned n_fds, |
1137a57c | 188 | char **environment, |
81a2b7ce LP |
189 | bool apply_permissions, |
190 | bool apply_chroot, | |
1e3ad081 | 191 | bool apply_tty_stdin, |
80876c20 | 192 | bool confirm_spawn, |
8e274523 | 193 | struct CGroupBonding *cgroup_bondings, |
ab1f0633 | 194 | struct CGroupAttribute *cgroup_attributes, |
ecedd90f | 195 | const char *cgroup_suffix, |
f2b68789 | 196 | int pipe_fd[2], |
81a2b7ce | 197 | pid_t *ret); |
5cb5a6ff | 198 | |
43d0fcbd LP |
199 | void exec_command_done(ExecCommand *c); |
200 | void exec_command_done_array(ExecCommand *c, unsigned n); | |
201 | ||
5cb5a6ff | 202 | void exec_command_free_list(ExecCommand *c); |
034c6ed7 | 203 | void exec_command_free_array(ExecCommand **c, unsigned n); |
5cb5a6ff | 204 | |
9e2f7c11 LP |
205 | char *exec_command_line(char **argv); |
206 | ||
44d8db9e LP |
207 | void exec_command_dump(ExecCommand *c, FILE *f, const char *prefix); |
208 | void exec_command_dump_list(ExecCommand *c, FILE *f, const char *prefix); | |
a6a80b4f | 209 | void exec_command_append_list(ExecCommand **l, ExecCommand *e); |
26fd040d | 210 | int exec_command_set(ExecCommand *c, const char *path, ...); |
44d8db9e | 211 | |
034c6ed7 LP |
212 | void exec_context_init(ExecContext *c); |
213 | void exec_context_done(ExecContext *c); | |
5cb5a6ff | 214 | void exec_context_dump(ExecContext *c, FILE* f, const char *prefix); |
6ea832a2 | 215 | void exec_context_tty_reset(const ExecContext *context); |
5cb5a6ff | 216 | |
8c7be95e LP |
217 | int exec_context_load_environment(const ExecContext *c, char ***l); |
218 | ||
b58b4116 | 219 | void exec_status_start(ExecStatus *s, pid_t pid); |
6ea832a2 | 220 | void exec_status_exit(ExecStatus *s, ExecContext *context, pid_t pid, int code, int status); |
9fb86720 | 221 | void exec_status_dump(ExecStatus *s, FILE *f, const char *prefix); |
5cb5a6ff | 222 | |
94f04347 | 223 | const char* exec_output_to_string(ExecOutput i); |
1365b53f | 224 | ExecOutput exec_output_from_string(const char *s); |
94f04347 LP |
225 | |
226 | const char* exec_input_to_string(ExecInput i); | |
1365b53f | 227 | ExecInput exec_input_from_string(const char *s); |
94f04347 | 228 | |
8a0867d6 LP |
229 | const char *kill_mode_to_string(KillMode k); |
230 | KillMode kill_mode_from_string(const char *s); | |
231 | ||
232 | const char *kill_who_to_string(KillWho k); | |
233 | KillWho kill_who_from_string(const char *s); | |
234 | ||
5cb5a6ff | 235 | #endif |